Gun mount



Aug. 3l, 1937.

E. c. GOEBERT Er AL GUN MOUNT Filed June 12, 1936 2 Sheets-Sheet 1 Inventur@ Elmer E- Gueb art Thun-L55 A- Ecmlm-L Attnr'na ug. 31, E937. E. c. GOEBERT ET AL GUN MOUNT Filed June 12', 1936 2 Sheets-Sheet 2 T,... D? LE E VD E In. E F E m .l E

Tha-nas A Ennlnp ttm rn E Patented ug. 3l, 1937 l i GUN MOUNT Elmer C. Goebert, United States Army, Phila.-

elelphia, Pa., and Thomas A. Conlon, Silver Spring, Md.

Application .lune 12 1936, Serial No. 84,912

2 Claims. (Cl. 8f3- 37) (Granted under the act of March 3, 1883, as amended April 30, 1928; 370 0. G. 757) The invention described herein may be manuhaving a circular skirt Ill disposed within the factured and used by or for the Government for base A. A horizontally disposed bearing I on governmental purposes, without the payment to the under side of the plate I3 carries a shaft i6 us of any royalty thereon. which has on its outer end a ball Il mounted in 5 This invention relates to a gun mount. the socket I2. The inner end of the shaft I5 ex- 5 The purpose of this invention is to provide a tends beyond the bearing to receive a nut I8. gun mount of low trunnion height in which a A pair of sockets I9--I9 are arranged on the leveling platform is arranged in a novel and outer side of the platform and are each carried by compact manner between a base and the top abracket 23 fixed to the skirt I4. Each socket I9 lo carriage. carries a trunnioned spherical nut 2| for receiving 10 A further object is to provide a simple and efa vertically arranged screw shaft 22 having on its fective displacement of the leveling platform lower end a ball 23 mounted in one of the sockets without interfering with its tilting movement. i I I. Each screw shaft is formed with a non-circu- To these and other ends, the invention consists lar upper end 24 for the application of a tool for l5 in the construction, arrangement and combinarotating the screw shaft. The sockets I9--I9 and 15 tion of elements described hereinafter and pointthe ball Il on the shaft I6 are spaced equied out in the claims forming a part of this specidistantly around the platform. cation. A pin 25 mounted in the skirt I4 oppositely to A practical embodiment of the invention is lthe shaft I3 has a nut 26 on its inner end and a lustrated in the accompanying drawings, wherekey 2l rotatably mounted on its outer end rides 20 1n: in a vertical keyway 28 in the base A. This key Fig. l is a View in side elevation of a gun mount in conjunction with the ball l'l prevents rotaconstructed in accordance with the invention. tional displacement of the platform B relative to Fig. 2 is a sectional View on the line 2 2 of the base A.

25 Fig. 3. The top carriage C has a plate 29 parallel to 25 Fig. 3 is a sectional view on the line 3--3 of the plate I3 of the platform B and is supported Fig. 2. thereon by means of an anti-friction bearing unit Fig. 4 is a sectional view on the line 4-4 of 30 held in position by lugs 3I-3I on the two Fig. 2. plates. A pintle 32 centrally of the plate 29 is in- Fig. 5 is a sectional view on the line 5--5 of serted in a bearing 33 in the plate I3. A plural- 30 Fig. 6, and shows a modification of the invenity of retaining members 34 are attached to the tion. top carriage and each has a bent lower end 35 Figs. 6 and if' are sectional views generally on disposed underneath the edge of the plate I3. the corresponding lines of Fig. 5. In order to carry out the purpose of a low 35 Referring to Figs. 1 to fl the gun mount conmounting, the top carriage extends to one side 35 sists generally of a base A, a platform B mounted of the base A to receive the trunnions 36 of the on the base for leveling movement, atop carriage cradle D which, in the horizontal position, ex-

C rotatable on the platform, a cradle D truntends on the other side of the base. The cradle nioned on the top carriage, and a gun barrel E, includes an arm 3l extending rearwardly of its u reciprocally mounted on the cradle. trunnions so that a chain or cable 38 may be 40 The base A comprises a somewhat triangularly attached to its outer end and be connected to an shaped bottom plate 5, a vertically disposed web equilibrator 39 carried by the top carriage under- E adjacent the outer edge orn the plate, and a horineath the cradle.

Zontally disposed flange or ring l on the upper The gun E when in battery is positioned in end of the web 3. The base A is adapted to rest front of the cradle trunnions. 45

on a support or on the ground and for the latter 'Ihe operation of leveling the platform B and situation three equi-distantly spaced bearings the structure carried thereby is easily and quickly 8 are provided in the base to accommodate the performed by acting on one or both of the screw pivot pins 3 of outriggers lil (Fig. 1). The base shafts 22.

also includes three equhdstantly spaced sockets, In the modification shown in Figs. 5 t0 '7 the 50 two of them designated ill-EI, being vertically base A has three vertically arranged sockets 40 disposed on the bottom plate 5 and the remaining and lil-4I, the latter two being similar and poone, designated I2, being horizontally disposed on sitioned at the ends of arms 42-42 A leveling the web 6. platform b has a depending support 43 with a ball The leveling platfornA B comprises a plate I3 i4 tted in the socket 40. The platform has a 55 pair of arms l5-45 overlying the arms 42 and each including a socket 46 with a spherical nut @l through which passes a screw shaft @8 having a ball end 49 fitted in one of the sockets lll.

The ball S4 has a keyway 5t arranged parallel to a plane Containing both screw shafts. The socket carries a pair of oppositely disposed pins '5l-5l and on the inner end of each pin a key 52 is rotatably mounted and rides in the keyway 50. This arrangement prevents rotational displacement of the platform b while permitting it to be tilted.

The top carriage C is rotatably supported on the leveling platform b and has its pintle 53 positioned close to the ball 44 and socket 40 and Within the triangle of the platform supports. The center of gravity of the top carriage and its load Will therefore be close to the fulcrum or nonelevating support of the platform b and the long lever arms between the fulcrum and the screw shafts Will facilitate tilting of the platform.

We claim:

1. In a gun mount, a base having one horizontally disposed and two vertically disposed sockets, a leveling platform having a skirt disposed within the base, a horizontally disposed shaft carried by the skirt and having a ball end in the horizontally disposed socket, a pair of vertically disposed bearings on the skirt, a spherical nut in each of said vertically disposed bearings, a pair of screw shafts each having a ball end in a vertically disposed socket of the base and passing through a spherical nut, a vertical keyway in the base opposite to the horizontally disposed socket, a key rotatably carried by the platform and working in the keyway, and a top carriage rotatably supported on the leveling platform.

2. In a gun mount, a base, a leveling platform universally fulcrurnecl on the base, spaced Vertical bearings on the platform, a spherical nut in each bearing, vertical screw shafts each passing through a spherical nut and universally connected to the base, a vertical keyway in the base positioned oppositely to the universal connection between platform and base, a key rotatably carried by the platform and working in the keyway, and a top carriage rotatably supported on the leveling platform.

ELMER C. GOEBERT. THOS. A. CONLON. 

